{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "extracted_events": [
              {
                "introduced": "21.0.0"
              },
              {
                "fixed": "24.0.0"
              }
            ],
            "source": [
              "DESCRIPTION",
              "REFERENCES"
            ]
          },
          "events": [
            {
              "introduced": "fd970b582a4d8c5779a2958a4e9f4fce225cf085"
            },
            {
              "fixed": "769c7db907099643558e77d7002c109cfda919e5"
            },
            {
              "fixed": "1730aa56675b31cfede895fdae55b673d887fb8f"
            }
          ],
          "repo": "https://github.com/dolibarr/dolibarr",
          "type": "GIT"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "VulnCheck",
    "cwe_ids": [
      "CWE-863"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/77xxx/CVE-2026-77923.json"
  },
  "details": "Dolibarr 21.0.0 before 24.0.0 contains an authorization bypass vulnerability caused by an inverted boolean condition in the private-project membership check within the clonetasks mass action handler in htdocs/core/actions_massactions.inc.php. Authenticated users with project creation permission but without access to a target private project can exploit the flawed !in_array() check to clone tasks into unauthorized private projects.",
  "id": "CVE-2026-77923",
  "modified": "2026-08-30T03:30:46.305177495Z",
  "published": "2026-08-24T19:23:28.160Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/77xxx/CVE-2026-77923.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/Dolibarr/dolibarr/releases/tag/24.0.0"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-77923"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.vulncheck.com/advisories/dolibarr-authorization-bypass-via-clonetasks-mass-action"
    },
    {
      "type": "FIX",
      "url": "https://github.com/Dolibarr/dolibarr/commit/1730aa56675b31cfede895fdae55b673d887fb8f"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/Dolibarr/dolibarr"
    }
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "Dolibarr 21.0.0 \u003c 24.0.0 Authorization Bypass via clonetasks Mass Action"
}